on wednesday president obama will speak on the steps of the lincoln memorial, where martin luther king delivered his i have a dream speech. >> i have a dream, that my four little children will one day live in a nation where they will not be judged by the color of their skin, but by the content of their character. [ cheers and applause ] >> i have a dream -- >> thousands are heading to the capitol to attend the rally. robert ray is joining some of those travelers on the road from tallahassee. >> reporter: good morning, richelle. a very steamy morning here. i feel like perhaps i should be dressed like these folks with t-shirts on. a they are stopping here for a quick break, and inspired by martin luther king. and one gentlemen i was talking to earlier, if you could come in here, sir. >> how are you doing. >> reporter: this is a member of the marine corps, inspired to come on this bus. why? >> well, i mean, i want to be a part of history. you can't forget, 50 years ago, martin luther king, the things that he did, and also john fkennedy right after that. and this is a part of history that